ZIP code 45440, covering Dayton, OH, has 89 natural disaster events in the historical record. These include 50 hailstorms, 23 floods, and 8 tornadoes. Total documented property damage amounts to $320.8M. These events have resulted in 38 recorded deaths and 1,280 injuries.
The dominant hazard type for Dayton is hailstorms, with 50 recorded events making up 56% of the area's disaster history. Hail-related events have caused a combined $15K in documented property damage. The most recent recorded hailstorm occurred on Apr 4, 2025.
There have been 23 recorded floods in this area, representing 26% of all disaster events. Of these, 5 (22%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for flood-related events here is 5/5 (extreme). Flood-related events have caused a combined $495K in documented property damage. The most recent recorded flood occurred on Jun 18, 2021.
Dayton has experienced 8 tornadoes on record. Of these, 4 (50%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for tornado-related events here is 5/5 (extreme). Tornado-related events have caused a combined $319.3M in documented property damage. 37 fatalities have been attributed to tornadoes in this area. The most recent recorded tornado occurred on May 27, 2019.
Dayton has experienced 3 blizzards on record. Of these, 2 (67%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for winter storm events here is 5/5 (extreme). Winter storm events have caused a combined $526K in documented property damage. The most recent recorded blizzard occurred on Jan 11, 1996.
Dayton has experienced 3 extreme cold events on record. One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for cold-related events here is 4/5 (severe). Cold-related events have caused a combined $560K in documented property damage. 1 fatality has been attributed to extreme cold events in this area. The most recent recorded extreme cold event occurred on Dec 21, 2008.
Dayton has experienced 2 severe wind events on record. The most recent recorded severe wind event occurred on Jan 11, 2020.
The most significant disaster event on record for Dayton was EF5 Tornado on Apr 3, 1974, which caused $250M in property damage and was linked to 36 fatalities. Another major event was EF3 Tornado (May 27, 2019), causing $50M in damages. EF4 Tornado on Sep 20, 2000 also caused significant damage ($15M).
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Based on federal and state records, ZIP code 45440 has experienced 89 natural disaster events. The hazard types affecting this area include hailstorms (50 events), floods (23 events), tornadoes (8 events), blizzards (3 events), extreme cold events (3 events), and severe wind events (2 events). The primary hazard is hailstorms, which account for 56% of all recorded events.
Hailstorms are the most frequently recorded hazard in Dayton, OH, with 50 events documented. These events have caused a combined $15K in property damage.
Yes, Dayton (ZIP 45440) has 23 recorded flood events. These floods have caused $495K in total property damage. The most recent flood on record occurred on Jun 18, 2021.
Dayton has 8 recorded tornado events in the historical record. The strongest tornado recorded reached severity level 5/5 on the normalized scale. Total property damage from tornadoes in this area is $319.3M. The most recent tornado was recorded on May 27, 2019.
The most damaging natural disaster on record for ZIP code 45440 was EF5 Tornado, which occurred on Apr 3, 1974. This event caused $250M in documented property damage. It resulted in 36 reported fatalities. It was rated at severity level 5/5.
Natural disasters have caused a documented total of $320.8M in property damage in the Dayton, OH area (ZIP 45440). This figure is based on historical records from FEMA, NOAA Storm Events Database, and USGS, and covers events from the 1950s through the present. Actual damages may be higher, as not all events have complete damage assessments.
Data sourced from FEMA (disaster declarations, NFIP flood claims), NOAA Storm Events Database, USGS Earthquake Hazards Program, and NIFC wildfire records. Historical coverage varies by source, with most records beginning in the 1950s–1970s. Full methodology →